Slitting machine



Jan. 26 1926. v 1,570,940

J. A. CAMERON ET! AL V SLITTING MACHINE Filed Dec.

2 Sheets-Sheet 1 J M W A E V A I A-ITTORNEY.

Jan. 26 1926.

J. A. CAMERON ET AL SLITTING MACHINE Filed Dec. 3, 1923 2 Shoots-Sheet 2 INVENTORS A TTORNE Y.

Patented Jan. 26, 1926.

UNITED STATES 1,570,940 PATENT OFFICE.

JAMES A. CAMERON, OF BROOKLYN. NEW YORK, AND ROBERT McC. JOHNSTONE, OI

ROSELLE PARK, NEW JERSEY, ASSIGNORS TO GAMERON MACHINE COMPANY, OF BROOKLYN, NEW YORK, A CORPORATION OF NEW YORK.

sLrr'rInG mncrrmn.

Application filed December 8, 1923. Serial No. 678,834.

To all whom it may) concern:

Be it known that we, JAMES A. CAMERON,

a citizen of the United States, and a resi- 4 dent of the borough of Brooklyn, county of Kings, city and State of New York, and

ROBERT MoG. JOHNSTONE, a citizen of the from one set of slitting elements to anot er without breaking the web, slitting elements of one set being adjusted while the slitting elements of the other set are acting. The main object and feature of this invention is to adapt this broad invention to a machine embodying shear-cutting elements.

In the accompanying drawings the invention is embodied in a concrete and preferred form in which:

Fig. 1 is a vertical sectional view taken on a plane just inside one of the side frames of the machine shown in Fig. 2, and embodying the invention.

Fig. 2 is a view in side elevation of the parts shown in Fig.1 1.

The slitting mac ine has two ormore sets of slittin elements, one set consisting ofgrooved rum 1 and a group of shear-cutting elements 2; and the other set consisting of preferably the same grooved drum 1 and a group of shear-cutting elements 3. In place of the means shown, any other shear-cutting elements, such as the Koegel slitters, may be used. 4 indicates a carrying member mounted to turn in bearings 5 and carries two shafts 6 or 7. Each of said shafts carries a grou ofshear-cutters that are individually adjustable by being slidably mounted on said shaft and which can be secured in position by means of setscrews 8; or, the space between adjacent cutters may be filled with rings or other spacing means in accordance with well known practice. Each shaft also carries a pinion 9 or 10 that meshes with gear 11 on the grooved drum when carrying member 4 is properly positioned. Carrying member maybe turned by means of handle 12, or otherwise; and 13 indicates a latch, carried by the framework, that enters an aperture 15 so as to retain the carrying member in the position to which it has been adjusted. It will be understood that by adjusting carrying member 4 either of the group of shear cut slitting elements can be brought into proper position with respect to the complementary slitting means here consisting of the grooved drum; and also that the transmission members on the shafts, carrying the groups, are brought into operative position with respect to the transmission means on the drum so that all members of a set can be driven in unison.

It is desired to adjust one group of shearcut slitters while the other group is carrying on an active slitting operation. It will be, seen, however, that, since the shear-cutting elements and the drum overlap, the in active group must be adjusted with respect to the grooves in the drum. In the present instance this is accomplished by providing a spacer bar 16 that is grooved to -correspond withv the grooves in the drum so that any adjustment of the idle cutters with respect to the grooves of the bar is really made with respect to the grooves of the drum. In this way the cutters may be adjusted while the machine is running and new widths of sections can be produced by merely turning the carryin member. To allow-for adjustment of t e cutters, the shaft carrying the same may be mounted in movable bearmgs; or, as shown, the spacer bar may be ivotally mounted so as to permit it to swing out of the way of the cutters. It will be understood, however, that the final adjustment of the cutters is made with the spacer bar in position so that the cutters may be moved of the grooves.

e claim: 1. A slitting machine comprising: two groups of adjustable shear-cut slitting elements, grooved slitting means, means for bringing either cf said groups of slitting elements inte r position with respect to the grooved ting means, a spacer bar grooved to correspond to the grooved elit close against the edges not.

ting means and means for adjusting one group of slitting elements with respect to the grooves of the spacer bar while the other group is coacting with said grooved slitting means to slit the web.

2. A slitting machine comprising: two groups of adjustable shear-cut slitting ele ments, grooved slittin means, means for bringing either of said groups of slitting elements into pro er position with respect to the grooved slitting means, and means for adjusting one group of slitting elements with'relation to the grooved slitting means while the other group is coacting with said grooved slitting means.

3. A slitting machine comprising: a carrying member mounted to turn, two groups of adjustable shear-cut slitting elements on said carrying member, said groups being spaced circumferentially on said carrying member, grooved slitting means to coact with said slitting elements to slit a web, means for turning said carrying member to bring either of said groups into proper position with relation to the grooved slitting means, and a spacer bar grooved to correspond to the grooved slitting means so positioned that one group of shear-cut slitting elements may be adjusted to be brought into alinement with the grooves in the spacer bar while the other group is coacting with said grooved slitting means to slit the web.

4. A slitting machine comprising: a calryin member mounted to turn, two groups of a justable shear-cut slitting elements on said carrying member, said groups being spaced circumferentially on said carrying member, grooved slitting means to coact with said slitting elements to slit a web, means for turning said carrying member to bring either of said groups into proper position with relation to the grooved slitting means, and means for adjusting one group of slitting elements with relation to the grooved slitting means while the other group is coacting with the grooved slitting means.

5. A slitting machine comprising: a carrying member mounted to turn, two shafts rotatably mounted in said carrying member in circumferentially spaced relation, a grou of shear-cut slitting elements on each of sai shafts, a transmission element on each of said shafts, grooved slitting means to coactv with said slitting elements to slit a web, transmission means on said grooved slitting means to coact with the transmission elements on the shafts, means for turning said carrying member to bring either of the groups of slitting elements into proper position with relation to the grooved slitting means and to bring the transmission element of one of the shafts into working position with the transmission means. I

6. A slitting machine comprising: a carrying member mounted to turn, two shafts rotatably mounted in said carryin member in circumferentially spaced re ation, a group of shear-cut slitting elements on each of said shafts, a transmission element on each of said shafts, grooved slitting means to coact with said slitting elements to slit a web, transmission means on said grooved slitting means to coact with the transmission elements on the shafts, means for turning said carryin member to bring either of the groups of s itting elements into proper position with relatlon to the grooved slitting means and to bring the transmission elements of one of the shafts into working position with the transmission means, and means for adjusting one group of shear-cut slitting elements with relation to the grooved slittin means while the other group is coacting with the grooved slitting means.

Signed at New York city, in the borough of Brooklyn, county of Kings, and State of New York, this 28th day of November, 1923.

JAMES A. CAMERON. ROBERT MoC. J OHNSTUNE. 

